dependencies { implementation 'androidx.multidex:multidex:2.0.1' } <application android:name=".MyApplication" ... > public class MyApplication extends MultiDexApplication { @Override protected void attachBaseContext(Context base) { super.attachBaseContext(base); MultiDex.install(this); } } -keep public class androidx.multidex.** -keep class android.support.multidex.** { *; } -keep class android.support.multidex.MultiDex{*;}